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CCDB → Angiosperms → Compositae → Senecio → Senecio praecox (Cav.) DC.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Pittocaulon praecox (Cav.) H. Rob. & Brettell | Senecio praecox (Cav.) DC. | 30(1) | 60(1) | Asteracea | Soto-Trejo et al. 2011 Revista Mexicana de Biodiversidad | ||
| Pittocaulon praecox (Cav.) H. Rob. & Brettell | Senecio praecox (Cav.) DC. | 30II(1) | Asteracea | Strother 1983 Amer. J. Bot. | |||
| ! | Pittocaulon praecox (Cav.) H. Rob. & Brettell | Senecio praecox (Cav.) DC. | 30(1) | 60(1) | Asteracea | Soto-Trejo et al. 2011 Revista Mexicana de Biodiversidad | |
| Senecio praecox (Cav.) DC. | Senecio praecox (Cav.) DC. | 30II | IPCN online | Strother, J. L. 1983. More chromosome studies in Compositae. Amer. J. Bot. 70(8): 1217–1232. |